Endboard



FIG. 1 is a top front, right side, perspective view of an endboard;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a right side view thereof; and,

FIG. 7 is a left side view thereof.

The broken lines in FIGS. 1 through 7 depict portions of the endboard but form no part of the claimed design. 

CLAIM The ornamental design for an endboard, as shown and described. 